1 /* sys/socket.h */ 2 3 4 #ifndef _SYS_SOCKET_H 5 #define _SYS_SOCKET_H 6 7 #include <stdint.h> 8 #include <sys/types.h> 9 #include <sys/stat.h> 10 #include <sys/ioctl.h> 11 12 #if __cplusplus 13 extern "C" { 14 #endif /* __cplusplus */ 15 16 typedef uint32_t socklen_t; 17 18 /* These are the address/protocol families we'll be using... */ 19 /* NB these should be added to as required... */ 20 21 /* If we want to have Binary compatability we may need to alter these 22 * to agree with the Be versions... 23 */ 24 #define AF_UNSPEC 0 25 #define AF_LOCAL 1 26 #define AF_UNIX AF_LOCAL /* for compatability */ 27 #define AF_INET 2 28 #define AF_ROUTE 3 29 #define AF_IMPLINK 4 30 #define AF_LINK 18 31 #define AF_IPX 23 32 #define AF_INET6 24 33 34 #define AF_MAX 24 35 36 #define PF_UNSPEC AF_UNSPEC 37 #define PF_INET AF_INET 38 #define PF_ROUTE AF_ROUTE 39 #define PF_LINK AF_LINK 40 #define PF_INET6 AF_INET6 41 #define PF_IPX AF_IPX 42 #define PF_IMPLINK AF_IMPLINK 43 44 /* Types of socket we can create (eventually) */ 45 #define SOCK_DGRAM 10 46 #define SOCK_STREAM 11 47 #define SOCK_RAW 12 48 #define SOCK_MISC 255 49 50 /* 51 * Option flags per-socket. 52 */ 53 #define SO_DEBUG 0x0001 /* turn on debugging info recording */ 54 #define SO_ACCEPTCONN 0x0002 /* socket has had listen() */ 55 #define SO_REUSEADDR 0x0004 /* allow local address reuse */ 56 #define SO_KEEPALIVE 0x0008 /* keep connections alive */ 57 #define SO_DONTROUTE 0x0010 /* just use interface addresses */ 58 #define SO_BROADCAST 0x0020 /* permit sending of broadcast msgs */ 59 #define SO_USELOOPBACK 0x0040 /* bypass hardware when possible */ 60 #define SO_LINGER 0x0080 /* linger on close if data present */ 61 #define SO_OOBINLINE 0x0100 /* leave received OOB data in line */ 62 #define SO_REUSEPORT 0x0200 /* allow local address & port reuse */ 63 64 #define SOL_SOCKET 0xffff 65 66 /* 67 * Additional options, not kept in so_options. 68 */ 69 #define SO_SNDBUF 0x1001 /* send buffer size */ 70 #define SO_RCVBUF 0x1002 /* receive buffer size */ 71 #define SO_SNDLOWAT 0x1003 /* send low-water mark */ 72 #define SO_RCVLOWAT 0x1004 /* receive low-water mark */ 73 #define SO_SNDTIMEO 0x1005 /* send timeout */ 74 #define SO_RCVTIMEO 0x1006 /* receive timeout */ 75 #define SO_ERROR 0x1007 /* get error status and clear */ 76 #define SO_TYPE 0x1008 /* get socket type */ 77 #define SO_NETPROC 0x1020 /* multiplex; network processing */ 78 79 /* 80 * These are the valid values for the "how" field used by shutdown(2). 81 */ 82 #define SHUT_RD 1 83 #define SHUT_WR 2 84 #define SHUT_RDWR 3 85 86 struct linger { 87 int l_onoff; 88 int l_linger; 89 }; 90 91 struct sockaddr { 92 uint8_t sa_len; 93 uint8_t sa_family; 94 uint8_t sa_data[30]; 95 }; 96 97 /* this can hold ANY sockaddr we care to throw at it! */ 98 struct sockaddr_storage { 99 uint8_t ss_len; /* total length */ 100 uint8_t ss_family; /* address family */ 101 uint8_t __ss_pad1[6]; /* align to quad */ 102 uint64_t __ss_pad2; /* force alignment for stupid compilers */ 103 uint8_t __ss_pad3[240]; /* pad to a total of 256 bytes */ 104 }; 105 106 struct sockproto { 107 uint16_t sp_family; 108 uint16_t sp_protocol; 109 }; 110 111 #define CTL_NET 4 112 113 #define CTL_NET_NAMES { \ 114 { 0, 0 }, \ 115 { "unix", CTLTYPE_NODE }, \ 116 { "inet", CTLTYPE_NODE }, \ 117 { "implink", CTLTYPE_NODE }, \ 118 { "pup", CTLTYPE_NODE }, \ 119 { "chaos", CTLTYPE_NODE }, \ 120 { "xerox_ns", CTLTYPE_NODE }, \ 121 { "iso", CTLTYPE_NODE }, \ 122 { "emca", CTLTYPE_NODE }, \ 123 { "datakit", CTLTYPE_NODE }, \ 124 { "ccitt", CTLTYPE_NODE }, \ 125 { "ibm_sna", CTLTYPE_NODE }, \ 126 { "decnet", CTLTYPE_NODE }, \ 127 { "dec_dli", CTLTYPE_NODE }, \ 128 { "lat", CTLTYPE_NODE }, \ 129 { "hylink", CTLTYPE_NODE }, \ 130 { "appletalk", CTLTYPE_NODE }, \ 131 { "route", CTLTYPE_NODE }, \ 132 { "link_layer", CTLTYPE_NODE }, \ 133 { "xtp", CTLTYPE_NODE }, \ 134 { "coip", CTLTYPE_NODE }, \ 135 { "cnt", CTLTYPE_NODE }, \ 136 { "rtip", CTLTYPE_NODE }, \ 137 { "ipx", CTLTYPE_NODE }, \ 138 { "inet6", CTLTYPE_NODE }, \ 139 { "pip", CTLTYPE_NODE }, \ 140 { "isdn", CTLTYPE_NODE }, \ 141 { "natm", CTLTYPE_NODE }, \ 142 { "encap", CTLTYPE_NODE }, \ 143 { "sip", CTLTYPE_NODE }, \ 144 { "key", CTLTYPE_NODE }, \ 145 } 146 147 /* 148 * PF_ROUTE - Routing table 149 * 150 * Three additional levels are defined: 151 * Fourth: address family, 0 is wildcard 152 * Fifth: type of info, defined below 153 * Sixth: flag(s) to mask with for NET_RT_FLAGS 154 */ 155 #define NET_RT_DUMP 1 /* dump; may limit to a.f. */ 156 #define NET_RT_FLAGS 2 /* by flags, e.g. RESOLVING */ 157 #define NET_RT_IFLIST 3 /* survey interface list */ 158 #define NET_RT_MAXID 4 159 160 #define CTL_NET_RT_NAMES { \ 161 { 0, 0 }, \ 162 { "dump", CTLTYPE_STRUCT }, \ 163 { "flags", CTLTYPE_STRUCT }, \ 164 { "iflist", CTLTYPE_STRUCT }, \ 165 } 166 167 /* Max listen queue for a socket */ 168 #define SOMAXCONN 5 /* defined as 128 in OpenBSD */ 169 170 struct msghdr { 171 char * msg_name; /* address we're using (optional) */ 172 uint msg_namelen; /* length of address */ 173 struct iovec *msg_iov; /* scatter/gather array we'll use */ 174 uint msg_iovlen; /* # elements in msg_iov */ 175 char * msg_control; /* extra data */ 176 uint msg_controllen; /* length of extra data */ 177 int msg_flags; /* flags */ 178 }; 179 180 /* Defines used in msghdr structure. */ 181 #define MSG_OOB 0x1 /* process out-of-band data */ 182 #define MSG_PEEK 0x2 /* peek at incoming message */ 183 #define MSG_DONTROUTE 0x4 /* send without using routing tables */ 184 #define MSG_EOR 0x8 /* data completes record */ 185 #define MSG_TRUNC 0x10 /* data discarded before delivery */ 186 #define MSG_CTRUNC 0x20 /* control data lost before delivery */ 187 #define MSG_WAITALL 0x40 /* wait for full request or error */ 188 #define MSG_DONTWAIT 0x80 /* this message should be nonblocking */ 189 #define MSG_BCAST 0x100 /* this message rec'd as broadcast */ 190 #define MSG_MCAST 0x200 /* this message rec'd as multicast */ 191 192 struct cmsghdr { 193 uint cmsg_len; 194 int cmsg_level; 195 int cmsg_type; 196 /* there now follows uchar[] cmsg_data */ 197 }; 198 199 #if 0 200 #define SIOCSHIWAT _IOW('s', 0, int) /* set high watermark */ 201 #define SIOCGHIWAT _IOR('s', 1, int) /* get high watermark */ 202 #define SIOCSLOWAT _IOW('s', 2, int) /* set low watermark */ 203 #define SIOCGLOWAT _IOR('s', 3, int) /* get low watermark */ 204 #define SIOCATMARK _IOR('s', 7, int) /* at oob mark? */ 205 206 #define SIOCADDRT _IOW('r', 10, struct ortentry) /* add route */ 207 #define SIOCDELRT _IOW('r', 11, struct ortentry) /* delete route */ 208 209 #define SIOCSIFADDR _IOW('i', 12, struct ifreq) /* set ifnet address */ 210 #define OSIOCGIFADDR _IOWR('i', 13, struct ifreq) /* get ifnet address */ 211 #define SIOCGIFADDR _IOWR('i', 33, struct ifreq) /* get ifnet address */ 212 #define SIOCSIFDSTADDR _IOW('i', 14, struct ifreq) /* set p-p address */ 213 #define OSIOCGIFDSTADDR _IOWR('i', 15, struct ifreq) /* get p-p address */ 214 #define SIOCGIFDSTADDR _IOWR('i', 34, struct ifreq) /* get p-p address */ 215 #define SIOCSIFFLAGS _IOW('i', 16, struct ifreq) /* set ifnet flags */ 216 #define SIOCGIFFLAGS _IOWR('i', 17, struct ifreq) /* get ifnet flags */ 217 #define OSIOCGIFBRDADDR _IOWR('i', 18, struct ifreq) /* get broadcast addr */ 218 #define SIOCGIFBRDADDR _IOWR('i', 35, struct ifreq) /* get broadcast addr */ 219 #define SIOCSIFBRDADDR _IOW('i', 19, struct ifreq) /* set broadcast addr */ 220 #define OSIOCGIFCONF _IOWR('i', 20, struct ifconf) /* get ifnet list */ 221 #define SIOCGIFCONF _IOWR('i', 36, struct ifconf) /* get ifnet list */ 222 #define OSIOCGIFNETMASK _IOWR('i', 21, struct ifreq) /* get net addr mask */ 223 #define SIOCGIFNETMASK _IOWR('i', 37, struct ifreq) /* get net addr mask */ 224 #define SIOCSIFNETMASK _IOW('i', 22, struct ifreq) /* set net addr mask */ 225 #define SIOCGIFMETRIC _IOWR('i', 23, struct ifreq) /* get IF metric */ 226 #define SIOCSIFMETRIC _IOW('i', 24, struct ifreq) /* set IF metric */ 227 #define SIOCDIFADDR _IOW('i', 25, struct ifreq) /* delete IF addr */ 228 #define SIOCAIFADDR _IOW('i', 26, struct ifaliasreq)/* add/chg IF alias */ 229 #define SIOCGIFDATA _IOWR('i', 27, struct ifreq) /* get if_data */ 230 231 #define SIOCGIFMTU _IOWR('i', 126, struct ifreq) /* get ifnet MTU */ 232 #define SIOCSIFMTU _IOW('i', 127, struct ifreq) /* set ifnet MTU */ 233 234 #define SIOCADDMULTI _IOW('i', 49, struct ifreq) /* add m'cast addr */ 235 #define SIOCDELMULTI _IOW('i', 50, struct ifreq) /* del m'cast addr */ 236 #endif 237 238 239 #ifndef _KERNEL_MODE 240 /* Function declarations */ 241 int socket (int, int, int); 242 int bind(int, const struct sockaddr *, int); 243 int connect(int, const struct sockaddr *, int); 244 int listen(int, int); 245 int accept(int, struct sockaddr *, int *); 246 int closesocket(int); 247 int shutdown(int sock, int how); 248 249 ssize_t send(int, const void *, size_t, int); 250 ssize_t recv(int, void *, size_t, int); 251 ssize_t sendto(int, const void *, size_t, int, const struct sockaddr *, size_t); 252 ssize_t recvfrom(int, void *, size_t, int, struct sockaddr *, size_t *); 253 254 int setsockopt(int, int, int, const void *, size_t); 255 int getsockopt(int, int, int, void *, size_t *); 256 int getpeername(int, struct sockaddr *, int *); 257 int getsockname(int, struct sockaddr *, int *); 258 #endif /* _KERNEL_MODE */ 259 260 #if __cplusplus 261 } 262 #endif /* __cplusplus */ 263 264 #endif /* _SYS_SOCKET_H */ 265 266